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TI-2003-00637 Aliases CVE-2003-0688GHSA-g82v-vwh4-vpjc

The DNS map code in Sendmail 8.12.8 and earlier, when using the "enhdnsbl" feature, does…

Priority LOW 29Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

The DNS map code in Sendmail 8.12.8 and earlier, when using the "enhdnsbl" feature, does not properly initialize certain data structures, which allows remote attackers to cause a denial of service (process crash) via an invalid DNS response that causes Sendmail to free incorrect data.

Why it matters now

EPSS 0.03564 89th percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 26

CPEVersionsRoleVendor
cpe:2.3:a:redhat:sendmail:8.12.5-7:*:i386:*:*:*:*:*8.12.5-7VulnerableRed Hat
cpe:2.3:a:redhat:sendmail:8.12.5-7:*:i386_cf:*:*:*:*:*8.12.5-7VulnerableRed Hat
cpe:2.3:a:redhat:sendmail:8.12.5-7:*:i386_dev:*:*:*:*:*8.12.5-7VulnerableRed Hat
cpe:2.3:a:redhat:sendmail:8.12.5-7:*:i386_doc:*:*:*:*:*8.12.5-7VulnerableRed Hat
cpe:2.3:a:redhat:sendmail:8.12.8-4:*:i386:*:*:*:*:*8.12.8-4VulnerableRed Hat
cpe:2.3:a:redhat:sendmail:8.12.8-4:*:i386_cf:*:*:*:*:*8.12.8-4VulnerableRed Hat
cpe:2.3:a:redhat:sendmail:8.12.8-4:*:i386_dev:*:*:*:*:*8.12.8-4VulnerableRed Hat
cpe:2.3:a:redhat:sendmail:8.12.8-4:*:i386_doc:*:*:*:*:*8.12.8-4VulnerableRed Hat
cpe:2.3:a:sendmail:sendmail:8.12.1:*:*:*:*:*:*:*8.12.1VulnerableSendmail
cpe:2.3:a:sendmail:sendmail:8.12.2:*:*:*:*:*:*:*8.12.2VulnerableSendmail
  • cpe:2.3:a:redhat:sendmail:8.12.5-7:*:i386:*:*:*:*:* Versions 8.12.5-7 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:sendmail:8.12.5-7:*:i386_cf:*:*:*:*:* Versions 8.12.5-7 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:sendmail:8.12.5-7:*:i386_dev:*:*:*:*:* Versions 8.12.5-7 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:sendmail:8.12.5-7:*:i386_doc:*:*:*:*:* Versions 8.12.5-7 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:sendmail:8.12.8-4:*:i386:*:*:*:*:* Versions 8.12.8-4 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:sendmail:8.12.8-4:*:i386_cf:*:*:*:*:* Versions 8.12.8-4 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:sendmail:8.12.8-4:*:i386_dev:*:*:*:*:* Versions 8.12.8-4 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:sendmail:8.12.8-4:*:i386_doc:*:*:*:*:* Versions 8.12.8-4 Vulnerable ·Red Hat
  • cpe:2.3:a:sendmail:sendmail:8.12.1:*:*:*:*:*:*:* Versions 8.12.1 Vulnerable ·Sendmail
  • cpe:2.3:a:sendmail:sendmail:8.12.2:*:*:*:*:*:*:* Versions 8.12.2 Vulnerable ·Sendmail
Show 16 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:sendmail:sendmail:8.12.3:*:*:*:*:*:*:*8.12.3VulnerableSendmail
cpe:2.3:a:sendmail:sendmail:8.12.4:*:*:*:*:*:*:*8.12.4VulnerableSendmail
cpe:2.3:a:sendmail:sendmail:8.12.5:*:*:*:*:*:*:*8.12.5VulnerableSendmail
cpe:2.3:a:sendmail:sendmail:8.12.6:*:*:*:*:*:*:*8.12.6VulnerableSendmail
cpe:2.3:a:sendmail:sendmail:8.12.7:*:*:*:*:*:*:*8.12.7VulnerableSendmail
cpe:2.3:a:sendmail:sendmail:8.12.8:*:*:*:*:*:*:*8.12.8VulnerableSendmail
cpe:2.3:o:sgi:irix:6.5.19:*:*:*:*:*:*:*6.5.19VulnerableSgi
cpe:2.3:o:sgi:irix:6.5.20:*:*:*:*:*:*:*6.5.20VulnerableSgi
cpe:2.3:o:sgi:irix:6.5.21:*:*:*:*:*:*:*6.5.21VulnerableSgi
cpe:2.3:o:compaq:tru64:5.0a:*:*:*:*:*:*:*5.0aVulnerableCompaq
cpe:2.3:o:compaq:tru64:5.1:*:*:*:*:*:*:*5.1VulnerableCompaq
cpe:2.3:o:freebsd:freebsd:4.6:*:*:*:*:*:*:*4.6VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:4.7:*:*:*:*:*:*:*4.7VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:4.8:*:*:*:*:*:*:*4.8VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:5.0:*:*:*:*:*:*:*5.0VulnerableFreeBSD
cpe:2.3:o:openbsd:openbsd:3.2:*:*:*:*:*:*:*3.2VulnerableOpenBSD
  • cpe:2.3:a:sendmail:sendmail:8.12.3:*:*:*:*:*:*:* Versions 8.12.3 Vulnerable ·Sendmail
  • cpe:2.3:a:sendmail:sendmail:8.12.4:*:*:*:*:*:*:* Versions 8.12.4 Vulnerable ·Sendmail
  • cpe:2.3:a:sendmail:sendmail:8.12.5:*:*:*:*:*:*:* Versions 8.12.5 Vulnerable ·Sendmail
  • cpe:2.3:a:sendmail:sendmail:8.12.6:*:*:*:*:*:*:* Versions 8.12.6 Vulnerable ·Sendmail
  • cpe:2.3:a:sendmail:sendmail:8.12.7:*:*:*:*:*:*:* Versions 8.12.7 Vulnerable ·Sendmail
  • cpe:2.3:a:sendmail:sendmail:8.12.8:*:*:*:*:*:*:* Versions 8.12.8 Vulnerable ·Sendmail
  • cpe:2.3:o:sgi:irix:6.5.19:*:*:*:*:*:*:* Versions 6.5.19 Vulnerable ·Sgi
  • cpe:2.3:o:sgi:irix:6.5.20:*:*:*:*:*:*:* Versions 6.5.20 Vulnerable ·Sgi
  • cpe:2.3:o:sgi:irix:6.5.21:*:*:*:*:*:*:* Versions 6.5.21 Vulnerable ·Sgi
  • cpe:2.3:o:compaq:tru64:5.0a:*:*:*:*:*:*:* Versions 5.0a Vulnerable ·Compaq
  • cpe:2.3:o:compaq:tru64:5.1:*:*:*:*:*:*:* Versions 5.1 Vulnerable ·Compaq
  • cpe:2.3:o:freebsd:freebsd:4.6:*:*:*:*:*:*:* Versions 4.6 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:4.7:*:*:*:*:*:*:* Versions 4.7 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:4.8:*:*:*:*:*:*:* Versions 4.8 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·FreeBSD
  • cpe:2.3:o:openbsd:openbsd:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·OpenBSD

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Linux 8.0Fixed RHSA-2003:265
Red Hat Linux 9Fixed RHSA-2003:265

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-0688
  2. 2026-10-03 Alias added: GHSA-g82v-vwh4-vpjc

References

Patch 1

Advisory 4

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences